Submission #1298306

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298306		tailpd16	Knapsack (NOI18_knapsack)	C++20	73 / 100	1095 ms	584 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fast ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define el '\n'
const int MAX_S = 2000;
ll dp[MAX_S + 1];
int main() 
{
    fast;
    int S, N;
    cin >> S >> N;
    for (int i = 0; i < N; i++) 
    {
        ll V, W, K;
        cin >> V >> W >> K;
        ll c = 1;
        while (K > 0) 
        {
            ll t = min(c, K);
            ll val = V * t;
            ll weight = W * t;
            for (int j = S; j >= weight; j--) 
            {
                dp[j] = max(dp[j], dp[j - weight] + val);
            }
            K -= t;
            c <<= 1;
        }
    }
    cout << dp[S] << el;
}

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 0 / 27